Refactor buf_offset in av1_inv_txfm2d.c

Change-Id: I73d1d15ab678242737432064d203c476057286ed

Refactor buf_offset in av1_inv_txfm2d.c
Change-Id: I73d1d15ab678242737432064d203c476057286ed
0822557b · Angie Chiang · Sebastien Alaiwan · fa8bad19 · 0822557b
Commit 0822557b authored Jan 23, 2018 by Angie Chiang Committed by Sebastien Alaiwan Jan 25, 2018
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av1/common/av1_inv_txfm2d.c av1/common/av1_inv_txfm2d.c +3 -2

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--- a/av1/common/av1_inv_txfm2d.c
+++ b/av1/common/av1_inv_txfm2d.c
@@ -359,9 +359,10 @@ static INLINE void inv_txfm2d_add_c(const int32_t *input, uint16_t *output,
  // txfm_buf's length is  txfm_size_row * txfm_size_col + 2 *
  // AOMMAX(txfm_size_row, txfm_size_col)
  // it is used for intermediate data buffering
+  const int buf_offset = AOMMAX(txfm_size_row, txfm_size_col);
  int32_t *temp_in = txfm_buf;
-  int32_t *temp_out = temp_in + AOMMAX(txfm_size_row, txfm_size_col);
-  int32_t *buf = temp_out + AOMMAX(txfm_size_row, txfm_size_col);
+  int32_t *temp_out = temp_in + buf_offset;
+  int32_t *buf = temp_out + buf_offset;
  int32_t *buf_ptr = buf;
  int c, r;